Home / 180,664.48-249,302.34-100,095.40

Finding the Fourth Proportional to 180,664.48, 249,302.34 and 100,095.40

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Solution

The fourth proportional to 180,664.48, 249,302.34 and 100,095.40 is: 138,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,664.48 : 249,302.34 = 100,095.40 : x
  2. Step 2: Convert to fraction form
    180,664.48/249,302.34 = 100,095.40/x
  3. Step 3: Cross multiply
    180,664.48x = 249,302.34 × 100,095.40
  4. Step 4: Simplify right side
    180,664.48x = 24,954,017,443.24
  5. Step 5: Solve for x
    x = 24,954,017,443.24/180,664.48
  6. Step 6: Final answer
    x = 138,123.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.